A lot of the alien races in the Star Trek universe are humanoid, and the original series explained that fact way back in the ...

For a long time, aliens in movies had something reassuringly familiar about them. Even when they arrived from distant galaxies ...

For generations, science fiction has imagined what life might look like on other worlds. These aliens are fictional, sure, but ...

By studying Earth's toughest microbes and complex animal "speech", scientists are reshaping how we search for – and may someday talk to – alien life.